Chattisgarh Board class 5 maths chapter 7 fractions | cg board class 5 maths fractions
0Chattisgarh Board class 5 maths chapter 7 fractions | cg board class 5 maths fractions
Abhay and Kittu were solving some questions of fractions. Kittu showed Abhay the adjacent picture and asked
him to write down the fraction to represent the shaded part.
Abhay wrote
2
1
Kittu said, ‘No’, it is
4
8
They started arguing. Ultimately they decided to ask LaxmiDidi as to who
was right.
‘Laxmi Didi , I am saying that the shaded part representing a fraction is one
by two, and Kittu says it is four by eight. Can you tell us who is correct?’ Abhay
asked.
Laxmi Didi smiled and said, “Both of you are right”.
“Let us understand by folding a paper. I have taken
a paper folded it through the centre and opened it. Now
look at it and tell me how many parts are made? And what
part is each part of the whole paper?”
“The paper is divided into two equal parts and each
part is one by two of the whole”, Abhay answered.
Laxmi didi coloured one half ot the paper and again
folded it horizontally and then asked, “Now what part is
the shaded part of the whole?”
Kittu said - “Total parts are four and coloured parts
are two, so the coloured part is two by four of the whole.”
Kittu can we say this as
"Yes, we can say so, since one by two and two by four is the same coloured
part of the paper."
Laxmi Didi again folded the paper horizontally and
asked- "Now tell me what part is the coloured part of the
whole?
Abhay thought a little and answered, "The total parts
of the paper are 8 and coloured parts are four so the
coloured part is four by eight of the whole."
"Now think whether one by two, two by four and four by eight are all equal?"
Laxmi asked.
"Yes didi, all three of them are representing the same coloured part. So all
three are equal. "Abhay answerd.
All such fractions which represent the same part of a whole are called
equivalent fractions.
Now look at the pictures given below, write the fraction to represent the
shaded parts and say which of them are equivalent fractions.
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